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4 years ago

true or false 4. If the area of a rectangle is 6 m2, then the dimensions must be 2 meters by 3 meters.

Mathematics

2 answers:

Deffense [45]4 years ago

7 0

False, The dimensions could be 1 meters by 6 meters.

It could also be 5 meters by $\frac{6}{5}$ meters.

Mila [183]4 years ago

3 0

Answer:

yes the answer is true

Step-by-step explanation:

the length of the rectangle is given 2 m

the breadth of the rectangle is given 3 m

so the area of the rectangle = length * breadth

= 2m*3m

=6m^2

hence proved

hope you like the answer

marks brainliest

hurry up !

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Phantasy [73]

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3 years ago

Solve this problem and show all the step involved.If ad=12and ac=ay_36, find the value of y.Then find ac and DC

pochemuha

Answer:

$y = 15$

$AC = 24$

$DC = 12$

Step-by-step explanation:

Given

$AD = 12$

$AC = 4y - 36$

See attachment

Solving for y

From the attachment:

$AD = DC$

and

$AC = AD + DC$

Substitute DC for AD

$AC = AD + AD$

$AC = 2AD$

Substitute values for AD and AC

$4y - 36= 2*12$

$4y - 36= 24$

Collect Like Terms

$4y = 36+ 24$

$4y = 60$

Solve for y

$y = 60/4$

$y = 15$

$AC = 4y - 36$

$AC = 4 * 15 - 36$

$AC = 24$

$AD = DC$

$DC = AD$

$DC = 12$

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4 years ago

Jim is investing in the stock market. Jim is hoping to earn $2,000 in interest in order to take a trip to Mexico. Stock A earns

Vanyuwa [196]

Given:

Total amount for investment = $32000

Rate of interest for Stock A = 4%

Rate of interest for Stock B = 7%

Jim is hoping to earn $2,000 in interest.

To find:

The amount of investments in Stock A and Stock B.

Step-by-step explanation:

Let amount of investments in Stock A = $x

Amount of investments in Stock B = $y

Total amount for investment = $32000

$x+y=32000$ ...(i)

Rate of interests in Stock A and Stock B are 4% and 7%. Total interests is $2000.

$0.04x+0.07y=2000$ ...(ii)

From (i) and (ii), we get

$0.04x+0.07(32000-x)=2000$

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$-0.03x=-240$

Divide both sides by -0.03.

$x=\dfrac{-240}{-0.03}$

$x=8000$

Put x=8000 in (i).

$8000+y=32000$

$y=32000-8000$

$y=24000$

Therefore, the amount of investments in Stock A and Stock B are $8000 and $24000 respectively.

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